import numpy as np

A = np.array([[1, 2, 3],
              [4, 5, 6],
              [7, 8, 9]], dtype='int8')

B = np.array([[2, 3, 4],
              [5, 6, 7],
              [8, 9, 10]], dtype='int8')

C = A+B
print(C)